fix(ci): pin itoa to MSRV supported 1.0.15

Author: oleonardolima

.github/workflows/cont_integration.yml

@@ -72,6 +72,7 @@ jobs:
         cargo update -p syn --precise "2.0.106"
         cargo update -p quote --precise "1.0.41"
         cargo update -p log --precise "0.4.28"
+        cargo update -p itoa --precise "1.0.15"
 
         cargo update -p bzip2-sys --precise "0.1.12+1.0.8" # dev-dependency
     - name: Build

README.md

@@ -41,4 +41,5 @@ cargo update -p openssl-sys --precise "0.9.109"
 cargo update -p syn --precise "2.0.106"
 cargo update -p quote --precise "1.0.41"
 cargo update -p log --precise "0.4.28"
+cargo update -p itoa --precise "1.0.15"
 ```