ref(ci): Remove unused matrix (#93815)

Author: untitaker

.github/workflows/acceptance.yml

@@ -59,7 +59,6 @@ jobs:
       matrix:
         # XXX: When updating this, make sure you also update MATRIX_INSTANCE_TOTAL.
         instance: [0, 1, 2, 3, 4]
-        pg-version: ['14']
     env:
       # XXX: MATRIX_INSTANCE_TOTAL must be hardcoded to the length of strategy.matrix.instance.
       MATRIX_INSTANCE_TOTAL: 5

.github/workflows/backend.yml

@@ -89,7 +89,6 @@ jobs:
         # XXX: When updating this, make sure you also update MATRIX_INSTANCE_TOTAL.
         instance:
           [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21]
-        pg-version: ['14']
 
     env:
       # XXX: `MATRIX_INSTANCE_TOTAL` must be hardcoded to the length of `strategy.matrix.instance`.
@@ -143,9 +142,6 @@ jobs:
     name: backend migration tests
     runs-on: ubuntu-24.04
     timeout-minutes: 30
-    strategy:
-      matrix:
-        pg-version: ['14']
 
     steps:
       - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
@@ -182,9 +178,6 @@ jobs:
     name: cli test
     runs-on: ubuntu-24.04
     timeout-minutes: 10
-    strategy:
-      matrix:
-        pg-version: ['14']
     steps:
       - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
 
@@ -252,9 +245,6 @@ jobs:
     needs: files-changed
     name: check migration
     runs-on: ubuntu-24.04
-    strategy:
-      matrix:
-        pg-version: ['14']
 
     steps:
       - name: Checkout sentry

.github/workflows/codecov_per_test_coverage.yml

@@ -22,7 +22,6 @@ jobs:
       matrix:
         # XXX: When updating this, make sure you also update MATRIX_INSTANCE_TOTAL.
         instance: [0, 1, 2, 3, 4, 5, 6]
-        pg-version: ['14']
 
     env:
       # XXX: `MATRIX_INSTANCE_TOTAL` must be hardcoded to the length of `strategy.matrix.instance`.

.github/workflows/migrations-drift.yml

@@ -20,9 +20,6 @@ jobs:
     name: migration drift
     runs-on: ubuntu-24.04
     timeout-minutes: 15
-    strategy:
-      matrix:
-        pg-version: ['14']
 
     steps:
       # Checkout master to run all merged migrations.

.github/workflows/migrations.yml

@@ -37,9 +37,6 @@ jobs:
     name: Generate SQL
     runs-on: ubuntu-24.04
     timeout-minutes: 8
-    strategy:
-      matrix:
-        pg-version: ['14']
 
     needs: did-migration-change
     if: needs.did-migration-change.outputs.added == 'true'

.github/workflows/shuffle-tests.yml

@@ -38,7 +38,6 @@ jobs:
       matrix:
         # XXX: When updating this, make sure you also update MATRIX_INSTANCE_TOTAL.
         instance: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
-        pg-version: ['14']
 
     env:
       # XXX: `MATRIX_INSTANCE_TOTAL` must be hardcoded to the length of `strategy.matrix.instance`.