Pin tokio 1.38 for MSRV 1.63

.github/workflows/rust.yml

@@ -32,6 +32,7 @@ jobs:
           cargo update -p which --precise 4.4.0
           cargo update -p [email protected] --precise 0.3.20
           cargo update -p reqwest --precise 0.12.4
+          cargo update -p tokio --precise 1.38.1
       - name: Run tests
         run: bash contrib/test.sh
 

README.md

@@ -88,6 +88,7 @@ cargo update -p regex --precise 1.9.6
 cargo update -p url --precise 2.5.0
 cargo update -p which --precise 4.4.0
 cargo update -p reqwest --precise 0.12.4
+cargo update -p tokio --precise 1.38.1
 ```
 
 ### `payjoin-cli`
@@ -100,6 +101,7 @@ cargo update -p url --precise 2.5.0
 cargo update -p which --precise 4.4.0
 cargo update -p [email protected] --precise 0.3.20
 cargo update -p reqwest --precise 0.12.4
+cargo update -p tokio --precise 1.38.1
 ```
 
 ## Code Formatting