chore(meta): update meta files

Casks/emacs-app-good/meta.json

@@ -133,7 +133,7 @@
   "disable_reason": null,
   "disable_replacement_formula": null,
   "disable_replacement_cask": null,
-  "tap_git_head": "8d03c45a9f7028816c34df3e4da55a9a3aea848b",
+  "tap_git_head": "8def061eb2116e966d5062043f5d6a7dcdde58ea",
   "languages": [],
   "ruby_source_path": "Casks/emacs-app-good.rb",
   "ruby_source_checksum": {

Casks/emacs-app-monthly/meta.json

@@ -132,7 +132,7 @@
   "disable_reason": null,
   "disable_replacement_formula": null,
   "disable_replacement_cask": null,
-  "tap_git_head": "8d03c45a9f7028816c34df3e4da55a9a3aea848b",
+  "tap_git_head": "8def061eb2116e966d5062043f5d6a7dcdde58ea",
   "languages": [],
   "ruby_source_path": "Casks/emacs-app-monthly.rb",
   "ruby_source_checksum": {

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

@@ -133,7 +133,7 @@
   "disable_reason": null,
   "disable_replacement_formula": null,
   "disable_replacement_cask": null,
-  "tap_git_head": "8d03c45a9f7028816c34df3e4da55a9a3aea848b",
+  "tap_git_head": "8def061eb2116e966d5062043f5d6a7dcdde58ea",
   "languages": [],
   "ruby_source_path": "Casks/emacs-app-nightly-28.rb",
   "ruby_source_checksum": {

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

@@ -133,7 +133,7 @@
   "disable_reason": null,
   "disable_replacement_formula": null,
   "disable_replacement_cask": null,
-  "tap_git_head": "8d03c45a9f7028816c34df3e4da55a9a3aea848b",
+  "tap_git_head": "8def061eb2116e966d5062043f5d6a7dcdde58ea",
   "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.2025-08-14.d993547.master/Emacs.2025-08-14.d993547.master.macOS-11.arm64.dmg",
+  "url": "https://github.com/jimeh/emacs-builds/releases/download/Emacs.2025-08-15.2987022.master/Emacs.2025-08-15.2987022.master.macOS-11.arm64.dmg",
   "url_specs": {},
-  "version": "2025-08-14.d993547.master",
+  "version": "2025-08-15.2987022.master",
   "autobump": true,
   "no_autobump_message": null,
   "skip_livecheck": false,
@@ -19,7 +19,7 @@
   "bundle_version": null,
   "bundle_short_version": null,
   "outdated": false,
-  "sha256": "a239ea0889d4a12ac30b5a34567a9f182b07f83fb49d1aff0e9de372b0b10ef2",
+  "sha256": "04b2f1b1cc54a37e25b2ab4a4b76265a4af095e97748cd70232ea1a40f75d79f",
   "artifacts": [
     {
       "app": [
@@ -133,10 +133,10 @@
   "disable_reason": null,
   "disable_replacement_formula": null,
   "disable_replacement_cask": null,
-  "tap_git_head": "8d03c45a9f7028816c34df3e4da55a9a3aea848b",
+  "tap_git_head": "8def061eb2116e966d5062043f5d6a7dcdde58ea",
   "languages": [],
   "ruby_source_path": "Casks/emacs-app-nightly.rb",
   "ruby_source_checksum": {
-    "sha256": "0bffe7579f185a67163ad7934ddd88d4fc8d7b709defc5d4922e189882875023"
+    "sha256": "2f5a3e6fa17ca6e0ace59c3faed5f7e330b5033d8425bd1219581abc5aa96690"
   }
 }

Casks/emacs-app-nightly/shield.json

@@ -5,5 +5,5 @@
   "namedLogo": "GNU Emacs",
   "logoColor": "white",
   "label": "nightly",
-  "message": "2025-08-14.d993547.master"
+  "message": "2025-08-15.2987022.master"
 }

Casks/emacs-app-pretest/meta.json

@@ -133,7 +133,7 @@
   "disable_reason": null,
   "disable_replacement_formula": null,
   "disable_replacement_cask": null,
-  "tap_git_head": "8d03c45a9f7028816c34df3e4da55a9a3aea848b",
+  "tap_git_head": "8def061eb2116e966d5062043f5d6a7dcdde58ea",
   "languages": [],
   "ruby_source_path": "Casks/emacs-app-pretest.rb",
   "ruby_source_checksum": {

Casks/emacs-app/meta.json

@@ -133,7 +133,7 @@
   "disable_reason": null,
   "disable_replacement_formula": null,
   "disable_replacement_cask": null,
-  "tap_git_head": "8d03c45a9f7028816c34df3e4da55a9a3aea848b",
+  "tap_git_head": "8def061eb2116e966d5062043f5d6a7dcdde58ea",
   "languages": [],
   "ruby_source_path": "Casks/emacs-app.rb",
   "ruby_source_checksum": {