workflows: fix commit signing

.github/workflows/sorbet.yml

@@ -32,7 +32,7 @@ jobs:
       - name: Update RBI files
         id: update
         env:
-          GPG_PASSPHRASE: ${{ secrets.BREWTESTBOT_GPG_SIGNING_SUBKEY_PASSPHRASE }}
+          HOMEBREW_GPG_PASSPHRASE: ${{ secrets.BREWTESTBOT_GPG_SIGNING_SUBKEY_PASSPHRASE }}
         run: |
           git fetch origin
 

.github/workflows/spdx.yml

@@ -31,7 +31,7 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           HOMEBREW_GITHUB_API_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          GPG_PASSPHRASE: ${{ secrets.BREWTESTBOT_GPG_SIGNING_SUBKEY_PASSPHRASE }}
+          HOMEBREW_GPG_PASSPHRASE: ${{ secrets.BREWTESTBOT_GPG_SIGNING_SUBKEY_PASSPHRASE }}
         run: |
           git fetch origin
 

.github/workflows/update-manpage.yml

@@ -70,7 +70,7 @@ jobs:
           fi
         env:
           HOMEBREW_GITHUB_API_TOKEN: ${{ secrets.HOMEBREW_GITHUB_API_TOKEN }}
-          GPG_PASSPHRASE: ${{ secrets.BREWTESTBOT_GPG_SIGNING_SUBKEY_PASSPHRASE }}
+          HOMEBREW_GPG_PASSPHRASE: ${{ secrets.BREWTESTBOT_GPG_SIGNING_SUBKEY_PASSPHRASE }}
 
       - name: Push commits
         if: steps.update.outputs.committed == 'true'

.github/workflows/vendor-gems.yml

@@ -47,7 +47,7 @@ jobs:
       - name: Vendor Gems
         env:
           GEM_NAME: ${{ steps.checkout.outputs.gem_name }}
-          GPG_PASSPHRASE: ${{ secrets.BREWTESTBOT_GPG_SIGNING_SUBKEY_PASSPHRASE }}
+          HOMEBREW_GPG_PASSPHRASE: ${{ secrets.BREWTESTBOT_GPG_SIGNING_SUBKEY_PASSPHRASE }}
         run: |
           set -u
 
@@ -59,7 +59,7 @@ jobs:
       - name: Update RBI files
         env:
           GEM_NAME: ${{ steps.checkout.outputs.gem_name }}
-          GPG_PASSPHRASE: ${{ secrets.BREWTESTBOT_GPG_SIGNING_SUBKEY_PASSPHRASE }}
+          HOMEBREW_GPG_PASSPHRASE: ${{ secrets.BREWTESTBOT_GPG_SIGNING_SUBKEY_PASSPHRASE }}
         run: |
           set -u