replaced ruby 2.7 with 3.0.3

Signed-off-by: Rajesh Paul <rajesh.paul@progress.com>

.github/workflows/brakeman-analysis.yml

@@ -26,7 +26,7 @@ jobs:
     - name: Setup Ruby
       uses: actions/setup-ruby@v1
       with:
-        ruby-version: '2.7'
+        ruby-version: '3.0.3'
 
     - name: Setup Brakeman
       env:

.github/workflows/ctl-cookbook-testing.yml

@@ -17,7 +17,7 @@ jobs:
     - uses: ruby/setup-ruby@v1
       with:
         working-directory: omnibus
-        ruby-version: 2.7
+        ruby-version: 3.0.3
         bundler-cache: true
     - uses: r7kamura/rubocop-problem-matchers-action@v1 # this shows the failures in the PR
     - name: run cookstyle
@@ -31,7 +31,7 @@ jobs:
       with:
         # once we move the -ctl command to its own gemspec this can be changed back to omnibus like above
         working-directory: omnibus/cookbooks/omnibus-supermarket
-        ruby-version: 2.7
+        ruby-version: 3.0.3
         bundler-cache: true
     - uses: r7kamura/rubocop-problem-matchers-action@v1 # this shows the failures in the PR
     - name: run chefspec

.github/workflows/lint.yml

@@ -18,7 +18,7 @@ jobs:
     - uses: ruby/setup-ruby@v1
       with:
         working-directory: src/supermarket
-        ruby-version: 2.7
+        ruby-version: 3.0.3
         bundler-cache: true
     - uses: r7kamura/rubocop-problem-matchers-action@v1 # this shows the failures in the PR
     - name: run chefstyle
@@ -31,7 +31,7 @@ jobs:
     - uses: ruby/setup-ruby@v1
       with:
         working-directory: src/supermarket/engines/fieri
-        ruby-version: 2.7
+        ruby-version: 3.0.3
         bundler-cache: true
     - uses: r7kamura/rubocop-problem-matchers-action@v1 # this shows the failures in the PR
     - name: run chefstyle