Renames workflows for clarity

Author: AndrewSazonov

.github/workflows/building-docs.yml renamed to .github/workflows/building-deploying-docs.yml

@@ -1,4 +1,4 @@
-name: Build and deploy docs
+name: Building and deploying docs
 
 on:
   # Trigger the workflow on push

.github/workflows/testing.yaml renamed to .github/workflows/testing-code.yaml

@@ -1,4 +1,4 @@
-name: Test code
+name: Testing code
 
 on:
   # Trigger the workflow on push

.github/workflows/testing-tutorials-colab.yaml

@@ -1,4 +1,4 @@
-name: Test colab notebooks
+name: Testing tutorials on Colab
 
 on:
   # Trigger the workflow on push

.github/workflows/testing-tutorials.yaml

@@ -1,4 +1,4 @@
-name: Test code
+name: Testing tutorials
 
 on:
   # Trigger the workflow on push