IamAwsProvider: fix url with role name (#1465) #52

Job	Run time
Test on python 3.9 and ubuntu-latest	1m 50s
Test on python 3.9 and windows-latest	4m 15s
Test on python 3.9 and macos-latest	38s
Test on python 3.10 and ubuntu-latest	1m 44s
Test on python 3.10 and windows-latest	4m 34s
Test on python 3.10 and macos-latest	30s
Test on python 3.11 and ubuntu-latest	1m 37s
Test on python 3.11 and windows-latest	5m 0s
Test on python 3.11 and macos-latest	13s
Test on python 3.12 and ubuntu-latest	1m 36s
Test on python 3.12 and windows-latest	4m 36s
Test on python 3.12 and macos-latest	11s
Test on python 3.13.0 and ubuntu-latest	2m 14s
Test on python 3.13.0 and windows-latest	4m 59s
Test on python 3.13.0 and macos-latest	39s
	34m 36s

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