use pep440 instead of semver (#2088) [skip ci]

.github/workflows/main.yml

@@ -49,7 +49,7 @@ jobs:
             axolotlai/axolotl
           tags: |
             type=ref,event=branch
-            type=semver,pattern={{version}}
+            type=pep440,pattern={{version}}
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
       - name: Login to Docker Hub
@@ -116,7 +116,7 @@ jobs:
             axolotlai/axolotl-cloud
           tags: |
             type=ref,event=branch
-            type=semver,pattern={{version}}
+            type=pep440,pattern={{version}}
       - name: Login to Docker Hub
         uses: docker/login-action@v3
         with:
@@ -163,7 +163,7 @@ jobs:
             axolotlai/axolotl-cloud-term
           tags: |
             type=ref,event=branch
-            type=semver,pattern={{version}}
+            type=pep440,pattern={{version}}
       - name: Login to Docker Hub
         uses: docker/login-action@v3
         with: