chore(ci): split static analysis report into its own build variant (#7411)

Author: gribnoysup

.evergreen/buildvariants-and-tasks.in.yml

@@ -254,6 +254,11 @@ buildvariants:
     tasks:
       - name: publish
       - name: publish-dev-release-info
+
+  - name: static-analysis
+    display_name: Create Static Analysis Report
+    run_on: ubuntu2004-large
+    tasks:
       - name: create_static_analysis_report
 
   - name: connectivity-tests

.evergreen/buildvariants-and-tasks.yml

@@ -240,6 +240,10 @@ buildvariants:
     tasks:
       - name: publish
       - name: publish-dev-release-info
+  - name: static-analysis
+    display_name: Create Static Analysis Report
+    run_on: ubuntu2004-large
+    tasks:
       - name: create_static_analysis_report
   - name: connectivity-tests
     display_name: Connectivity Tests