bump action versions to fix warnings

.github/workflows/gds.yaml

diff --git a/.github/workflows/gds.yaml b/.github/workflows/gds.yaml
index c93e907..7c8b924 100644
--- a/.github/workflows/gds.yaml
+++ b/.github/workflows/gds.yaml
@@ -14,7 +14,7 @@
     steps:
     # need the repo checked out
     - name: checkout repo
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
 
     # build pdk - have to move this back above to get caravel makefile
     - name: pdk & openlane & precheck
@@ -29,7 +29,7 @@
 
     # need python
     - name: setup python
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       with:
         python-version: '3.7.7'
         cache: 'pip'
@@ -56,7 +56,7 @@
 
     # archive the results
     - name: Archive Wrapper GDS
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v3
       with:
           name: Wrapper GDS
           path: |

.github/workflows/tt_datasheet.yaml

diff --git a/.github/workflows/tt_datasheet.yaml b/.github/workflows/tt_datasheet.yaml
index 6124e05..31cf21b 100644
--- a/.github/workflows/tt_datasheet.yaml
+++ b/.github/workflows/tt_datasheet.yaml
@@ -16,19 +16,19 @@
     steps:
     # need the repo checked out, and the tt_docs repo checked out
     - name: checkout repo
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
       with: 
         submodules: true
 
     # need python
     - name: setup python
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       with:
         python-version: '3.7.7' # install the python version needed
 
     # python deps from reqirements file, use a marketplace action
     - name: Install Python dependencies
-      uses: py-actions/py-dependency-install@v2
+      uses: py-actions/py-dependency-install@v4
       with:
         path: "tt_docs/requirements.txt"
 
@@ -51,14 +51,14 @@
 
     # archive the PDF
     - name: Archive PDF
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v3
       with:
           name: PDF
-          path: tt_docs/tt01.pdf
+          path: tt_docs/tt02.pdf
 
     # archive the MD
     - name: Archive MD
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v3
       with:
           name: MD
-          path: tt_docs/tt01.md
+          path: tt_docs/tt02.md

.github/workflows/verification.yaml

diff --git a/.github/workflows/verification.yaml b/.github/workflows/verification.yaml
index b09fa2f..25293eb 100644
--- a/.github/workflows/verification.yaml
+++ b/.github/workflows/verification.yaml
@@ -23,7 +23,7 @@
     steps:
     # need the repo checked out
     - name: checkout repo
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
 
     # build pdk - have to move this back above to get caravel makefile
     - name: pdk & openlane & precheck
@@ -33,7 +33,7 @@
 
     # need python
     - name: setup python
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       with:
         python-version: '3.7.7'
         cache: 'pip'