chore(meta): update meta files

Casks/emacs-app-good/meta.json

@@ -130,7 +130,7 @@
   "disable_reason": null,
   "disable_replacement_formula": null,
   "disable_replacement_cask": null,
-  "tap_git_head": "77053e533f12cefdf7eeb76f5eb61f1eb552c9ea",
+  "tap_git_head": "1ba1583d6067b506c4938e21153256416f66fc97",
   "languages": [],
   "ruby_source_path": "Casks/emacs-app-good.rb",
   "ruby_source_checksum": {

Casks/emacs-app-monthly/meta.json

@@ -129,7 +129,7 @@
   "disable_reason": null,
   "disable_replacement_formula": null,
   "disable_replacement_cask": null,
-  "tap_git_head": "77053e533f12cefdf7eeb76f5eb61f1eb552c9ea",
+  "tap_git_head": "1ba1583d6067b506c4938e21153256416f66fc97",
   "languages": [],
   "ruby_source_path": "Casks/emacs-app-monthly.rb",
   "ruby_source_checksum": {

Casks/emacs-app-nightly-28/meta.json

@@ -130,7 +130,7 @@
   "disable_reason": null,
   "disable_replacement_formula": null,
   "disable_replacement_cask": null,
-  "tap_git_head": "77053e533f12cefdf7eeb76f5eb61f1eb552c9ea",
+  "tap_git_head": "1ba1583d6067b506c4938e21153256416f66fc97",
   "languages": [],
   "ruby_source_path": "Casks/emacs-app-nightly-28.rb",
   "ruby_source_checksum": {

Casks/emacs-app-nightly-29/meta.json

@@ -130,7 +130,7 @@
   "disable_reason": null,
   "disable_replacement_formula": null,
   "disable_replacement_cask": null,
-  "tap_git_head": "77053e533f12cefdf7eeb76f5eb61f1eb552c9ea",
+  "tap_git_head": "1ba1583d6067b506c4938e21153256416f66fc97",
   "languages": [],
   "ruby_source_path": "Casks/emacs-app-nightly-29.rb",
   "ruby_source_checksum": {

Casks/emacs-app-nightly/meta.json

@@ -8,9 +8,9 @@
   ],
   "desc": "GNU Emacs text editor (nightly build)",
   "homepage": "https://github.com/jimeh/emacs-builds",
-  "url": "https://github.com/jimeh/emacs-builds/releases/download/Emacs.2025-12-17.7425e33.master/Emacs.2025-12-17.7425e33.master.macOS-11.arm64.dmg",
+  "url": "https://github.com/jimeh/emacs-builds/releases/download/Emacs.2025-12-18.83e8acf.master/Emacs.2025-12-18.83e8acf.master.macOS-11.arm64.dmg",
   "url_specs": {},
-  "version": "2025-12-17.7425e33.master",
+  "version": "2025-12-18.83e8acf.master",
   "autobump": true,
   "no_autobump_message": null,
   "skip_livecheck": false,
@@ -19,7 +19,7 @@
   "bundle_version": null,
   "bundle_short_version": null,
   "outdated": false,
-  "sha256": "e5cd6973be3a0b3b95bf1f890ab3d7a817eb4ab90e4fb5d6ed1eacc5fb9199bd",
+  "sha256": "2fd262aa9a8f8710987063ba7c0a21514455afd7a1ae2db982f017fda8c34ac9",
   "artifacts": [
     {
       "app": [
@@ -130,10 +130,10 @@
   "disable_reason": null,
   "disable_replacement_formula": null,
   "disable_replacement_cask": null,
-  "tap_git_head": "77053e533f12cefdf7eeb76f5eb61f1eb552c9ea",
+  "tap_git_head": "1ba1583d6067b506c4938e21153256416f66fc97",
   "languages": [],
   "ruby_source_path": "Casks/emacs-app-nightly.rb",
   "ruby_source_checksum": {
-    "sha256": "a0a0a9c6c1ab218ec3ddd076f57d476a83c266b5e2a364410f32a74af435bc11"
+    "sha256": "e485ecea5b142cd45c91bf954e374ae85b959fb05be02c7a0600fe7f74ec5940"
   }
 }

Casks/emacs-app-nightly/shield.json

@@ -5,5 +5,5 @@
   "namedLogo": "GNU Emacs",
   "logoColor": "white",
   "label": "nightly",
-  "message": "2025-12-17.7425e33.master"
+  "message": "2025-12-18.83e8acf.master"
 }

Casks/emacs-app-pretest/meta.json

@@ -130,7 +130,7 @@
   "disable_reason": null,
   "disable_replacement_formula": null,
   "disable_replacement_cask": null,
-  "tap_git_head": "77053e533f12cefdf7eeb76f5eb61f1eb552c9ea",
+  "tap_git_head": "1ba1583d6067b506c4938e21153256416f66fc97",
   "languages": [],
   "ruby_source_path": "Casks/emacs-app-pretest.rb",
   "ruby_source_checksum": {

Casks/emacs-app/meta.json

@@ -130,7 +130,7 @@
   "disable_reason": null,
   "disable_replacement_formula": null,
   "disable_replacement_cask": null,
-  "tap_git_head": "77053e533f12cefdf7eeb76f5eb61f1eb552c9ea",
+  "tap_git_head": "1ba1583d6067b506c4938e21153256416f66fc97",
   "languages": [],
   "ruby_source_path": "Casks/emacs-app.rb",
   "ruby_source_checksum": {