fix yaml syntax (#88)

Author: alalek

.github/workflows/OCV-PR-4.x-ARM64-Debug.yaml

@@ -51,7 +51,7 @@ jobs:
       run: |
         echo "TARGET_BRANCH_NAME=4.x" >> $GITHUB_ENV
     - name: Setup test environment
-    if: ${{ github.event.repository.name != 'ci-gha-workflow' }}
+      if: ${{ github.event.repository.name != 'ci-gha-workflow' }}
       run: |
         echo "EXTRA_GTEST_OPTIONS=--skip_unstable=1" >> $GITHUB_ENV
     - name: PR info

.github/workflows/OCV-PR-4.x-ARM64.yaml

@@ -52,7 +52,7 @@ jobs:
       run: |
         echo "TARGET_BRANCH_NAME=4.x" >> $GITHUB_ENV
     - name: Setup test environment
-    if: ${{ github.event.repository.name != 'ci-gha-workflow' }}
+      if: ${{ github.event.repository.name != 'ci-gha-workflow' }}
       run: |
         echo "EXTRA_GTEST_OPTIONS=--skip_unstable=1" >> $GITHUB_ENV
     - name: PR info

.github/workflows/OCV-PR-4.x-U20-Cuda.yaml

@@ -53,7 +53,7 @@ jobs:
       run: |
         echo "TARGET_BRANCH_NAME=4.x" >> $GITHUB_ENV
     - name: Setup test environment
-    if: ${{ github.event.repository.name != 'ci-gha-workflow' }}
+      if: ${{ github.event.repository.name != 'ci-gha-workflow' }}
       run: |
         echo "EXTRA_GTEST_OPTIONS=--skip_unstable=1" >> $GITHUB_ENV
     - name: PR info

.github/workflows/OCV-PR-4.x-U20.yaml

@@ -52,7 +52,7 @@ jobs:
       run: |
         echo "TARGET_BRANCH_NAME=4.x" >> $GITHUB_ENV
     - name: Setup test environment
-    if: ${{ github.event.repository.name != 'ci-gha-workflow' }}
+      if: ${{ github.event.repository.name != 'ci-gha-workflow' }}
       run: |
         echo "EXTRA_GTEST_OPTIONS=--skip_unstable=1" >> $GITHUB_ENV
     - name: PR info

.github/workflows/OCV-PR-4.x-macOS-ARM64.yaml

@@ -39,7 +39,7 @@ jobs:
       run: |
         echo "TARGET_BRANCH_NAME=4.x" >> $GITHUB_ENV
     - name: Setup test environment
-    if: ${{ github.event.repository.name != 'ci-gha-workflow' }}
+      if: ${{ github.event.repository.name != 'ci-gha-workflow' }}
       run: |
         echo "EXTRA_GTEST_OPTIONS=--skip_unstable=1" >> $GITHUB_ENV
     - name: PR info

.github/workflows/OCV-PR-4.x-macOS-x86_64.yaml

@@ -38,7 +38,7 @@ jobs:
       run: |
         echo "TARGET_BRANCH_NAME=4.x" >> $GITHUB_ENV
     - name: Setup test environment
-    if: ${{ github.event.repository.name != 'ci-gha-workflow' }}
+      if: ${{ github.event.repository.name != 'ci-gha-workflow' }}
       run: |
         echo "EXTRA_GTEST_OPTIONS=--skip_unstable=1" >> $GITHUB_ENV
     - name: PR info