Excavator: Pin consistent slf4j versions to avoid breaks (#725)

versions.lock

@@ -36,7 +36,7 @@ org.immutables:value:2.8.8 (1 constraints: 14051536)
 org.junit.jupiter:junit-jupiter-api:5.5.0 (4 constraints: 723497b4)
 org.junit.platform:junit-platform-commons:1.5.0 (2 constraints: d320004a)
 org.opentest4j:opentest4j:1.2.0 (2 constraints: cd205b49)
-org.slf4j:slf4j-api:1.7.30 (6 constraints: 42457bcf)
+org.slf4j:slf4j-api:1.7.36 (6 constraints: 4e45fdd3)
 org.yaml:snakeyaml:1.33 (1 constraints: 6f17f827)
 
 [Test dependencies]
@@ -77,7 +77,7 @@ org.mockito:mockito-core:3.9.0 (1 constraints: ec0bd6ee)
 org.mockito:mockito-inline:3.9.0 (1 constraints: 0e051536)
 org.objenesis:objenesis:3.2 (1 constraints: b10a13bd)
 org.ow2.asm:asm:7.0 (2 constraints: 061aea08)
-org.slf4j:slf4j-simple:1.7.30 (1 constraints: 3d05433b)
+org.slf4j:slf4j-simple:1.7.36 (1 constraints: 43054b3b)
 org.xmlunit:xmlunit-core:2.6.2 (3 constraints: bd288e9d)
 org.xmlunit:xmlunit-legacy:2.6.2 (1 constraints: 120ea03b)
 org.xmlunit:xmlunit-placeholders:2.6.2 (1 constraints: 120ea03b)

versions.props

@@ -9,7 +9,7 @@ junit:junit = 4.13
 org.hamcrest:* = 2.1
 org.immutables:* = 2.8.8
 org.mockito:* = 3.9.0
-org.slf4j:* = 1.7.12
+org.slf4j:* = 1.7.36
 one.util:streamex = 0.7.2
 org.assertj:assertj-core = 3.14.0
 com.palantir.conjure:* = 4.16.1