Update dependency idna to v3

mend-for-github-com[bot] · web-flow · commit 13c95cc8f12f · 2024-07-08T12:40:26.000Z
diff --git a/requirements.txt b/requirements.txt
@@ -8,7 +8,7 @@ falcon==2.0.0
 hug==2.6.1
 ibm-cloud-sdk-core==3.10.0
 ibm-watson==5.1.0
-idna==2.6
+idna==3.7
 logzero==1.3.1
 nexmo==2.5.2
 pycparser==2.18
