feat ✨: Update CI workflow with env var sourcing

- Updated continuous integration workflow to include sourcing environment variable after setting it in shell configuration file.

.gitea/workflows/ci.yml

@@ -36,7 +36,8 @@ jobs:
 
           ls -alt /tmp/msp430-gcc-9.3.1.11_linux64/bin/
 
-          echo "export PATH=/tmp/msp430-gcc-9.3.1.11_linux64/bin:$PATH"
+          echo "export PATH=/tmp/msp430-gcc-9.3.1.11_linux64/bin:$PATH" >> ~/.bashrc
+          source ~/.bashrc
 
           # You would also install the necessary firmware building tools if they are available
           # or set up cross-compilation for ARM